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Efficient Software Implementation of AES on 32-Bit Platforms | SpringerLink

International Workshop on Cryptographic Hardware and Embedded Systems

CHES 2002: Cryptographic Hardware and Embedded Systems - CHES 2002 pp 159-171 | Cite as

Efficient Software Implementation of AES on 32-Bit Platforms

  • Guido Bertoni
  • Luca Breveglieri
  • Pasqualina Fragneto
  • Marco Macchetti
  • Stefano Marchesin
Conference paperFirst Online: 17 February 2003 Part of the Lecture Notes in Computer Science book series (LNCS, volume 2523)


Rijndael is the winner algorithm of the AES contest; therefore it should become the most used symmetric-key cryptographic algorithm. One important application of this new standard is cryptography on smart cards. In this paper we present an optimisation of the Rijndael algorithm to speed up execution on 32-bits processors with memory constraints, such as those used in smart cards. First a theoretical analysis of the Rijndael algorithm and of the proposed optimisation is discussed, and then simulation results of the optimised algorithm on different processors are presented and compared with other reference implementations, as known from the technical literature.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Guido Bertoni
    • 1
  • Luca Breveglieri
    • 1
  • Pasqualina Fragneto
    • 2
  • Marco Macchetti
    • 3
  • Stefano Marchesin
    • 3
  1. 1.Politecnico di MilanoMilanoItaly
  2. 2.STMicroelectronicsAgrate MIItaly
  3. 3.ALaRI Università della Svizzera ItalianaLuganoSwitzerland

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